7266621056 has 32 divisors (see below), whose sum is σ = 14485630980. Its totient is φ = 3631011840.

The previous prime is 7266621013. The next prime is 7266621091. The reversal of 7266621056 is 6501266627.

It can be written as a sum of positive squares in 2 ways, for example, as 6759470656 + 507150400 = 82216^2 + 22520^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194966 + ... + 229226.

Almost surely, 2^7266621056 is an apocalyptic number.

It is an amenable number.

7266621056 is a deficient number, since it is larger than the sum of its proper divisors (7219009924).

7266621056 is a wasteful number, since it uses less digits than its factorization.

7266621056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35932 (or 35920 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 7266621056 is about 85244.4781554794. The cubic root of 7266621056 is about 1936.9162272947.

The spelling of 7266621056 in words is "seven billion, two hundred sixty-six million, six hundred twenty-one thousand, fifty-six".